Results: 1 - 2 of 2
Aug 31, 1983
Open File Report
… framework of Lower Cretaceous coal-bearing rocks in the Grande … framework of Lower Cretaceous coal-bearing rocks in the Grande … Framework of Lower Cretaceous Coal-Bearing Rocks in the Grande …
Dec 31, 1979
Open File Report
… models which aid coal exploration and exploitation. … sandstones, and an overlying coal-bearing sequence, the Carbon and Thompson coal zones, consisting of coarser …